Home / 10,510,133.40-15,765,200.10-8,809,522.20

Finding the Fourth Proportional to 10,510,133.40, 15,765,200.10 and 8,809,522.20

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Solution

The fourth proportional to 10,510,133.40, 15,765,200.10 and 8,809,522.20 is: 13,214,283.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,510,133.40 : 15,765,200.10 = 8,809,522.20 : x
  2. Step 2: Convert to fraction form
    10,510,133.40/15,765,200.10 = 8,809,522.20/x
  3. Step 3: Cross multiply
    10,510,133.40x = 15,765,200.10 × 8,809,522.20
  4. Step 4: Simplify right side
    10,510,133.40x = 138,883,880,268,392.20
  5. Step 5: Solve for x
    x = 138,883,880,268,392.20/10,510,133.40
  6. Step 6: Final answer
    x = 13,214,283.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.